See chapter 415-02 WAC starting with WAC 415-02-300 for the tables, schedules, and factors the department uses for calculating optional retirement allowances of members of the Washington state teachers' retirement system.
Wash. Admin. Code § 415-112-040
Statutory Authority: RCW 41.50.050(5) and chapter 41.45 RCW. WSR 02-18-048, §415-112-040, filed 8/28/02, effective 9/1/02. Statutory Authority: RCW 41.50.050. WSR 96-03-100, §415-112-040, filed 1/19/96, effective 2/19/96. Statutory Authority: RCW 41.50.050 and 41.32.140. WSR 91-19-065, §415-112-040, filed 9/16/91, effective 10/17/91; WSR 91-02-020, §415-112-040, filed 12/21/90, effective 1/21/91.